Orion Resource Partners (USA)

Private Equity SEC-registered adviser

Legal name: Orion Resource Partners (USA), LP

New York, NY Website LinkedIn

AUM

$7.9B
Regulatory AUM

Private funds

14
Private Equity 10 · Other 3 · Venture Capital 1

Private fund assets

$7.3B
Gross asset value

Employees

59

Last Form D raise

Sep 2025
Most recent fund filing

From SEC Form ADV filing (filed May 14, 2026). View on SEC

People(2)

Owners and executive officers named on the firm's SEC Form ADV.

E
Eleanor Lewnowski
Trustee, The Langdale Trust
Source: SEC Form ADV
O
Oskar Lewnowski
Chief Executive Officer
Source: SEC Form ADV

Funds(14)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
Orion Mine Finance Co-Fund IV LPPrivate Equity$95.0M$42.0M7Sep 2025Cool
Orion Mine Finance Fund III LPPrivate Equity$1.5B$631.8M16Sep 2021Cold
Orion Mine Finance Co-Fund III LPPrivate Equity$242.1M$270.4M17Sep 2021Cold
Omr Co-Fund I LPOther$29.1M$30.0M5Nov 2020Cold
Orion Mineral Royalty Fund LPPrivate Equity$809.4M$141.2M7Nov 2020Cold
Orion Mine Finance Co-Fund II LPPrivate Equity$516.3M$12.9M29Nov 2020Cold
Orion Mine Finance Fund II LPPrivate Equity$1.6B$251.5M8Jul 2017Cold
Orion Mine Finance (master) Fund I-A LPPrivate Equity$274.7M$23.0M3Aug 2014Cold
Orion Mine Finance Fund IV LPPrivate Equity$1.9B———
Orion Mine Finance (master) Fund I LPPrivate Equity$250.8M———
Orion Industrial Ventures Fund I LPVenture Capital$55.3M———
Omr Sands I LPPrivate Equity$40.0M———
Orion Co-Investments IV LPOther$2.6M———
Orion Cmc USA LPOther————

Board seats

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

No board seats matched from SEC filings yet.

Regulatory identifiers

CRD number
161327
SEC file number
801-73641

Sources